/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef HC_FILE_H
#define HC_FILE_H

typedef struct {
    union {
        void *pfd;
        int fd;
    } fileHandle;
    const char *filePath;
} FileHandle;

typedef enum FileIdEnumT {
    FILE_ID_GROUP = 0,
    FILE_ID_CRED_DATA,
    FILE_ID_LAST,
} FileIdEnum;

#define MODE_FILE_READ 0
#define MODE_FILE_WRITE 1

/* 0 indicates success, -1 indicates fail */
int HcFileOpen(int fileId, int mode, FileHandle *file);
int HcFileSize(FileHandle file);
int HcFileRead(FileHandle file, void *dst, int dstSize);
int HcFileWrite(FileHandle file, const void *src, int srcSize);
void HcFileClose(FileHandle file);
void HcFileRemove(int fileId);
void SetFilePath(FileIdEnum fileId, const char *path);

#endif